Across
- 1. small blood vessels that connect veins and arteries, main activity between blood and cells( delivering nutrients, oxygen, etc.)
- 3. last chamber blood goes to in the heart (red)
- 6. vessels that carry blood towards the heart
- 7. main organ of the circulatory system, pumps blood
- 8. disposes of carbon dioxide while replenishing oxygen
- 9. first chamber blood goes to in the heart (blue)
- 10. third chamber blood goes to in the heart (red)
Down
- 2. vessels that carry blood away from the heart
- 4. makes sure the blood only goes in one direction
- 5. second chamber blood goes to in the heart (blue)